Take B D current. Place N. P., _long cord_, upon the lumbar vertebræ and sacrum, moving it often along the spine, from a position opposite to the umbilicus down to the coccyx; and treat with P. P. over the abdomen, and more especially wherever pain or sensations of uneasiness appear. In severe cases, treat several times in a day--once in two to three hours, if need require, three to five minutes at a time. Use current of full medium strength, if the patient can bear it. CHRONIC DIARRHŒA. Take A D current, of _very mild_ force. Place P. P. at the feet, and treat with N. P. over the lower limbs _briefly_; then over the bowels and stomach, both front and rear, some three to five minutes; then pass up with N. P. over the anterior parts of the chest, two or three minutes; and, next, place N. P. low on the back of neck, with P. P. still at feet, two or three minutes. Treat in this manner once daily. If at any time the bowels should become unusually flatulent, and evacuations should increase in frequency, change the treatment. Place N. P. at back of neck, as before, and treat about five minutes with P. P. (force increased to _moderate_ current) over the abdomen, daily, from one to three days, as may be necessary. After this, resume treatment as first above prescribed. COLIC--_of whatever kind_. Use A D current, pretty strong force. In severe cases, introduce the rectum instrument N. P., _long cord_, or in mild cases, place sponge-roll N. P., _long cord_, at coccyx, and treat with P. P. over all the abdomen, three to five minutes. It may be repeated, if necessary, in thirty minutes. CHOLERA MORBUS. Keep the patient still as possible on his back. Use A D current, strong force. Place N. P., _long cord_, at coccyx, and treat with P. P. over abdomen, five to ten minutes, and repeat, if necessary, in thirty to sixty minutes. If there be cramps, touch the contracted muscles with the P. P., for a few moments, without disturbing N. P. CHOLERA.--(_Malignant._) As in cholera morbus, keep the patient on his back, still as can be. Use A D current, _full medium strength_. In the early stage, or during the "_rice-water_" discharges, and down to the time of collapse, treat the abdomen and thorax with P. P., having N. P., _long cord_, on back of neck--not too near the head. After treating so a few moments--say four to six minutes--remove P. P. to the back, and pass it along close upon each side of the spinous processes from the lower lumbar up to about the middle of the dorsal vertebræ. Continue this about three or four minutes. If _cramping_ accompany the vomiting and purging, carry the P. P. a part of the time to the muscles in spasm, leaving N. P. still at the back of neck, with _long cord_. Repeat the above processes as often as once an hour until symptoms improve. Then reduce their frequency as the case will admit of.